Equations
Translate into an equation:
Three times a number x minus thirteen
3x - 13
Sara buys a shirt for $10. She is charged 10% sales tax at checkout. What is the total price of the shirt.
$11
Name the three ways to write a ratio
x : y, x to y, x/y
|2 +x|= 3
x = 1, -5
7y-2w= 2q for y
Y = 2q + 2w/7
3 + x = 23
x = 20
Clara buy a shirt on sale for $30. The original price was $60. What is the percent decrease.
50%
3/10 = x+10/10
x = -7
|3 + x| = 3
x = 3,-6
3t - 4r = 4f for t
t = 4f + 4r/3
3x - 30 = 30
x =20
Max pays $30 for dinner. He leaves a 10% tip. What was the total price of dinner.
$33
x/9 = 72/81
x = 9
|5+x|=30
x = 25,-35
4q + 4d = 4c for d
d = 4c - 4q/4
3a + 34 = 34 + 3a
All solutions
The original price for a couch that Ruby bought was. $1,200. When she bought the couch it was 15% off. She also paid 5% sales tax. What was the final price of the couch?
$1,076.10
5/12 = x+1/4
x = 2/3
evaluate if x = 3
|-2+x|
x=1
p = 3w
3(x-1)+12(1x+1)=9
x = 0
James paid $30 for a new jacket. He was charged %11 sales tax. What was the price of the Jacket.
$33.30
v/0.23 = 7/1.61
v = 1
evaluate if x = 23
|3+x|
x = 26
q = 9s + 2e/2